Finding the Fourth Proportional to 9,621.10, 14,436.72 and 6,827.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,621.10 : 14,436.72 = 6,827.98 : x
2. Step 2: Convert to fraction form
   9,621.10/14,436.72 = 6,827.98/x
3. Step 3: Cross multiply
   9,621.10x = 14,436.72 × 6,827.98
4. Step 4: Simplify right side
   9,621.10x = 98,573,635.43
5. Step 5: Solve for x
   x = 98,573,635.43/9,621.10
6. Step 6: Final answer
   x = 10,245.57